764277696 has 252 divisors, whose sum is σ = 2745665832. Its totient is φ = 201470976.

The previous prime is 764277691. The next prime is 764277697. The reversal of 764277696 is 696772467.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (252).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764277691) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 365871 + ... + 367953.

Almost surely, 2^764277696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 764277696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1372832916).

764277696 is an abundant number, since it is smaller than the sum of its proper divisors (1981388136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

764277696 is a wasteful number, since it uses less digits than its factorization.

764277696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128 (or 2108 counting only the distinct ones).

The product of its digits is 5334336, while the sum is 54.

The square root of 764277696 is about 27645.5728101264. The cubic root of 764277696 is about 914.2894923207.

The spelling of 764277696 in words is "seven hundred sixty-four million, two hundred seventy-seven thousand, six hundred ninety-six".